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Old 05-21-2013, 07:05 PM   #1
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help w/ multimeter 50 amp

I have a Greenlee multi meter and I need help with how to check the 50 amp at the pedestal. really need a step by step instruction on how to do. I checked in the manual that came with it and it did not show anything.
thanks
Steve
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Old 05-21-2013, 07:12 PM   #2
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Set your voltmeter to 300 in the V~ section of the dial scale (AC volts). You should get readings as follows:



Rusty
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Old 05-21-2013, 07:14 PM   #3
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Dang, Rusty, you beat me.

But you might look at this site as well:
RV Electric

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Old 05-21-2013, 07:21 PM   #4
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Dang, Rusty, you beat me.

But you might look at this site as well:
RV Electric

Ken
X 2. I built the 50-amp Tester shown on this site and it works great. Much easier than sticking multimeter probes in the outlet.
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Old 05-21-2013, 07:21 PM   #5
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Thanks that makes it real easy !

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Old 05-21-2013, 07:25 PM   #6
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Just so you know, V~ means voltage in the alternating current range. 200 means it will read 200VAC and below. 300 is 300VAC and below. You'd need 300VAC because you'll be reading up to 240VAC.
V with the solid and dashed lines are direct current voltage.
The horse shoe (greek omega) is ohms, which is resistance.
I think the A with solid/dashed line is direct current amperage. Below that 1.5V and 9V should be for testing AA batts. and 9V batts.
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Old 05-21-2013, 07:27 PM   #7
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I also run a plug in voltage meter in a outlet inside 24/7 to monitor the real time voltage, some campgrounds STINK!!! they have 120v with no load, you put a load on and the power dives to 100, because of that I also run a Hughes Autoformer that will boost the voltage on demand using a transformer inside it
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Old 05-21-2013, 07:28 PM   #8
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thanks!! that is exactly what I was looking for. I also have a kil o watt to see what the voltage is.
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Old 05-21-2013, 07:45 PM   #9
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Quote:
Originally Posted by bdickson
X 2. I built the 50-amp Tester shown on this site and it works great. Much easier than sticking multimeter probes in the outlet.
Me too. Here's how mine came out.
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I looked for a 3 gang plastic box but could easily lay my hands on one. Was going to put a blank cover in the middle and put a 50 amp breaker there. No joy. It would have also made room for the second meter. Oh well. Works as designed and no complaints.
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Old 05-21-2013, 07:51 PM   #10
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No offense intended here.
I have a PI PT50C.
It does that for me, and much more.
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Old 05-21-2013, 08:02 PM   #11
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X 2. I built the 50-amp Tester shown on this site and it works great. Much easier than sticking multimeter probes in the outlet.
I built the same one and it works great.
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Old 05-21-2013, 08:20 PM   #12
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I also built a tester and use religiously. Here's link to my assembly process for those that might be interested.
RV Circuit Tester Photos by bobged | Photobucket

PS - Also built a 30 amp tester
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Old 05-21-2013, 08:23 PM   #13
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Quote:
Originally Posted by CampDaven
No offense intended here.
I have a PI PT50C.
It does that for me, and much more.
No offense taken Dave. But...
1. I have PI SP too
2. I have Power Master VC50 Voltage controller
3. I have this too
4. Science project

When you are rolling up your 25' power cord - looking at your error code, and moving to a site with good power to the post - I will already be moved and set up after explaining to management that they have a neutral, ground, low or high voltage or false 50 amp pole. Did i mention science project. My BIL and I put this together on our last trip out while the bacon was cooking.
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Old 05-22-2013, 06:50 AM   #14
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Originally Posted by flaggship1 View Post

No offense taken Dave. But...
1. I have PI SP too
2. I have Power Master VC50 Voltage controller
3. I have this too
4. Science project

When you are rolling up your 25' power cord - looking at your error code, and moving to a site with good power to the post - I will already be moved and set up after explaining to management that they have a neutral, ground, low or high voltage or false 50 amp pole. Did i mention science project. My BIL and I put this together on our last trip out while the bacon was cooking.

Steve, is not possible to have too many handy tools on board, and the best ones you make yourself!!!!
Some of my 70s vintage computer technician synapses have fired up! It's entirely way cool.
I had one bad 50A plug in a resort in AZ, so said my PI. I lost valuable bacon time, and once lost you can never get it back.

Dave
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